To simplify software development
We define Open Source
The Open Source Definition is the foundation of the modern software ecosystem. We build a world where the freedoms and opportunities of Open Source software can be enjoyed by all.
The leading voice on the policies and principles of open source
Protecting the Open Source ecosystem
We support institutions and individuals working together to create communities of practice in which the healthy open source ecosystem thrives.
Open Education and the Shared Roots of Openness
Members Newsletter – March 2026 Open Education Week invites us to reflect on something that will feel familiar to everyone in this community: the idea that knowledge is most powerful when it is freely accessible, adaptable, …
OSI Adopts SPDX IDs for License URLs
The OSI has standardized license URLs using SPDX identifiers, while carefully preserving compatibility with the many links that already exist across the web and tools. The post OSI Adopts SPDX IDs for License URLs appeared first …
Help Shape the Research Agenda for Open Technology
Open technologies are increasingly central to digital infrastructure and public policy, but research in the field remains fragmented. The Open Technology Research Network is launching a global consultation to help shape a shared research agenda. The …
OSI Joins Apereo Foundation in Calling on Higher Education to Reclaim Its Digital Future
The Open Source Initiative (OSI) has signed the Open Letter to the Higher Education Community, joining a growing coalition of educators, technologists, nonprofit leaders, and institutions calling for renewed leadership and intentional investment in open solutions …
Support Open Source
As a public charity organization, OSI is supported by donations of corporations and individuals. Thanks to our sponsors that support our vision to be the leading voice on policies and principles of Open Source.
The board of directors
Most of OSI’s board of directors are elected by individual members and Affiliate organizations.